The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when it's possible to plant fountain grass is to use the USDA zone info for Gilroy.

Planting Calendar for Fountain Grass

Frost tolerance for fountain grass:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Fountain Grass do well in mild cold which means that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant fountain grass in Gilroy is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant fountain grass and expect a good harvest is probably September. If you wait any later than that and your fountain grass may not have a chance to fully mature. If you are starting your fountain grass indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Gilroy. You should expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Gilroy and it can change quite a bit from year to year. Half of the time in Gilroy last frost occurs after February 15 so just be sure to be ready to protect your fountain grass if you have a late frost.

USDA Zone Info for Gilroy

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Gilroy

You may be interested in your other planting guides for Gilroy.